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Synonyms

principally

American  
[prin-suh-puh-lee, -sip-lee] / ˈprɪn sə pə li, -sɪp li /

adverb

  1. chiefly; mainly.

    Synonyms:
    primarily

principally British  
/ ˈprɪnsɪpəlɪ /

adverb

  1. mainly or most importantly

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Synonym Usage

See especially.

Etymology

Origin of principally

Middle English word dating back to 1300–50; see origin at principal, -ly

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

The “Roadster’s near-term significance is principally as a technology and brand showcase,” StoneX analyst Mickey Legg said in a note on Friday.

From MarketWatch ● Sep. 25, 2026

A spokeswoman for University of Pittsburgh Medical Center said the agreement protects patient privacy and “resolves a matter principally involving certain alleged gender-affirming care billing practices.”

From The Wall Street Journal ● Sep. 18, 2026

Greenhouse gases principally work by making it harder for heat to escape out into space.

From BBC ● Sep. 8, 2026

Medicaid Fraud Control Units were principally responsible for investigating providers, while also prosecuting the abuse and neglect of patients whose care was billed to Medicaid.

From Salon ● Aug. 5, 2026

At that time, the Union Stock Yard was dominated by two other meat men: Philip Armour, who specialized in pork; and Nelson Morris, who dealt principally in beef.

From "A Few Red Drops: The Chicago Race Riot of 1919" by Claire Hartfield

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